The Compressor,piston Ring, cataloged under National Stock Number 5120-01-476-4575, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is The Boeing Company Div Services. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-476-4575 |
| Primary Part Number | 3129AJ-1 |
| Item Name | Compressor,piston Ring |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | The Boeing Company Div Services |
| Status | ACTIVE |
| Ratchet | INCLUDED |
| Unit Type | MECHANICAL |
| Ring Diameter Accommodated | 8.800 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3129AJ-1 PRIMARY | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| 3129AJ-1 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
NSN 5120-01-476-4575 is a Compressor,piston Ring, manufactured by The Boeing Company Div Services, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-476-4575 has 1 manufacturer part number on file: 3129AJ-1 (The Boeing Company Div Services).
Key specifications for 3129AJ-1: Ratchet: INCLUDED; Unit Type: MECHANICAL; Ring Diameter Accommodated: 8.800 INCHES NOMINAL IN; Special Features: 8.8 IN L X 8.8 IN W X 3.1 IN H; 38.9 LBS; STEEL WITH CADMIUM PLATING LBS. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5120-01-476-4575 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.